| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who [vb past] been [verb] for | 92 |
|
| 2 | [vb past] been [verb] for [pos pn] | 57 |
|
| 3 | who [vb past] been [verb] [pos pn] | 19 |
|
| 4 | who [vb past] [verb] for [pos pn] | 15 |
|
